- Two styles allow fastening through valve covers (No. 22637) or threaded directly into lifter valley (No. 22636)
- Vacuum relief point is adjustable by shimming an internal spring to get the precise amount of vacuum desired
- Can be disassembled for easy cleaning and maintenance, works with any vacuum level
- Aluminum with clear anodized finish
Not legal for sale or use on pollution-controlled vehicles
| PART NO. | AVAILABLE OPTION |
| 68791 | Clamp On Breather, 1" I.D. |
- Vacuum Relief Valve Thread Size:
- 3/4-16 in.
- Vacuum Relief Valve Material:
- Billet aluminum
- Vacuum Relief Valve Finish:
- Natural
- Quantity:
- Sold individually.
